.toc-container {
  width: 18%;
  position: fixed;
  top: 76px;
  right: 0;
  bottom: 12px;
  overflow-y: auto;
  overflow-x: hidden;

  .toc-inner {
    @include font-size(13);
    overflow-y: visible;
    padding: 4px 0 0 10px;

    .toc-heading,
    .toc-list .h1 {
      @include font-size(16);
    }

    .toc-heading {
      font-weight: 500;
      margin: 0 0 16px 8px;
      padding: 0;

      &.secondary {
        position: relative;
        top: -8px;

        &:hover {
          color: $accentblue;
        }

      }
    }

    button.toc-heading,
    button.toc-more-items {
      cursor: pointer;
      display: inline-block;
      background: 0;
      background-color: transparent;
      border: none;
      box-shadow: none;
      padding: 0;
      text-align: start;

      &.embedded:focus {
        outline: none;
        background: $lightgray;
      }
    }

    button.toc-heading {
      mat-icon.rotating-icon {
        height: 18px;
        width: 18px;
        position: relative;
        left: -4px;
        top: 5px;
      }

      &:hover:not(.embedded) {
        color: $accentblue;
      }
    }

    button.toc-more-items {
      color: $mediumgray;
      top: 10px;
      position: relative;

      &:hover {
        color: $accentblue;
      }

      &::after {
        content: 'expand_less';
      }

      &.collapsed::after {
        content: 'more_horiz';
      }
    }

    .mat-icon {
      &.collapsed {
        @include rotate(0deg);
      }

      &:not(.collapsed) {
        @include rotate(90deg);
      }
    }

    ul.toc-list {
      list-style-type: none;
      margin: 0;
      padding: 0 8px 0 0;

      @media (max-width: 800px) {
        width: auto;
      }

      li {
        box-sizing: border-box;
        @include font-size(12);
        @include line-height(16);
        padding: 3px 0 3px 12px;
        position: relative;
        transition: all 0.3s ease-in-out;

        &.h1:after {
          content: '';
          display: block;
          height: 1px;
          width: 40%;
          margin: 7px 0 4px 0;
          background: $lightgray;
          clear: both;
        }

        &.h3 {
          padding-left: 24px;
        }

        a {
          color: lighten($darkgray, 10);
          overflow: visible;
          @include font-size(12);
          display: table-cell;
        }

        &:hover {
          * {
            color: $accentblue;
          }
        }

        &.active {
          * {
            color: $blue;
            font-weight: 500;

            &:before {
              content: '';
              border-radius: 50%;
              left: -3px;
              top: 12px;
              background: $blue;
              position: absolute;
              width: 6px;
              height: 6px;
            }
          }
        }
      }

      &:not(.embedded) li {
        &:before {
          border-left: 1px solid $lightgray;
          bottom: 0;
          content: '';
          left: 0;
          position: absolute;
          top: 0;
        }

        &:first-child:before {
          top: 13px;
        }

        &:last-child:before {
          bottom: calc(100% - 14px);
        }

        &:not(.active):hover a:before {
          content: '';
          border-radius: 50%;
          left: -3px;
          top: 12px;
          background: $lightgray;
          position: absolute;
          width: 6px;
          height: 6px;
        }
      }
    }
  }
}

// Alternative TOC View for Smaller Screens
aio-toc.embedded {
  @media (min-width: 801px) {
    display: none;
  }

  .toc-inner {
    padding: 12px 0 0 0;

    .toc-heading {
      margin: 0 0 8px;
    }
  }

  > div.collapsed li.secondary {
    display: none;
  }
}
